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1 #include "DMWriteTask.h" | 1 #include "DMWriteTask.h" |
2 | 2 |
3 #include "DMUtil.h" | 3 #include "DMUtil.h" |
| 4 #include "SkColorPriv.h" |
4 #include "SkCommandLineFlags.h" | 5 #include "SkCommandLineFlags.h" |
5 #include "SkImageDecoder.h" | 6 #include "SkImageDecoder.h" |
6 #include "SkImageEncoder.h" | 7 #include "SkImageEncoder.h" |
7 #include "SkString.h" | 8 #include "SkString.h" |
8 #include "SkUnPreMultiply.h" | 9 #include "SkUnPreMultiply.h" |
9 | 10 |
10 DEFINE_string2(writePath, w, "", "If set, write GMs here as .pngs."); | 11 DEFINE_string2(writePath, w, "", "If set, write GMs here as .pngs."); |
11 | 12 |
12 namespace DM { | 13 namespace DM { |
13 | 14 |
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129 } | 130 } |
130 SkASSERT(expected.config() == bitmap.config()); | 131 SkASSERT(expected.config() == bitmap.config()); |
131 | 132 |
132 // Manually unpremultiply 8888 bitmaps to match expected. | 133 // Manually unpremultiply 8888 bitmaps to match expected. |
133 // Their pixels are shared, concurrently even, so we must copy them. | 134 // Their pixels are shared, concurrently even, so we must copy them. |
134 if (info.fColorType == kPMColor_SkColorType) { | 135 if (info.fColorType == kPMColor_SkColorType) { |
135 SkBitmap unpremul; | 136 SkBitmap unpremul; |
136 unpremul.setConfig(info); | 137 unpremul.setConfig(info); |
137 unpremul.allocPixels(); | 138 unpremul.allocPixels(); |
138 | 139 |
| 140 // Unpremultiply without changing native byte order. |
139 SkAutoLockPixels lockSrc(bitmap), lockDst(unpremul); | 141 SkAutoLockPixels lockSrc(bitmap), lockDst(unpremul); |
140 const SkPMColor* src = (SkPMColor*)bitmap.getPixels(); | 142 const SkPMColor* src = (SkPMColor*)bitmap.getPixels(); |
141 SkColor* dst = (SkColor*)unpremul.getPixels(); | 143 uint32_t* dst = (uint32_t*)unpremul.getPixels(); |
142 | |
143 for (size_t i = 0; i < bitmap.getSize()/4; i++) { | 144 for (size_t i = 0; i < bitmap.getSize()/4; i++) { |
144 dst[i] = SkUnPreMultiply::PMColorToColor(src[i]); | 145 const U8CPU a = SkGetPackedA32(src[i]); |
| 146 const SkUnPreMultiply::Scale s = SkUnPreMultiply::GetScale(a); |
| 147 dst[i] = SkPackARGB32NoCheck(a, |
| 148 SkUnPreMultiply::ApplyScale(s, SkGetPac
kedR32(src[i])), |
| 149 SkUnPreMultiply::ApplyScale(s, SkGetPac
kedG32(src[i])), |
| 150 SkUnPreMultiply::ApplyScale(s, SkGetPac
kedB32(src[i]))); |
145 } | 151 } |
146 bitmap.swap(unpremul); | 152 bitmap.swap(unpremul); |
147 } | 153 } |
148 | 154 |
149 return BitmapsEqual(expected, bitmap); | 155 return BitmapsEqual(expected, bitmap); |
150 } | 156 } |
151 | 157 |
152 } // namespace DM | 158 } // namespace DM |
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